m48t86 STMicroelectronics, m48t86 Datasheet - Page 15

• Manufacturer Part Number: m48t86
• Description: 5v Pc Real Time Clock
• Manufacturer: STMicroelectronics

Figure 8.
Table 3.
Address
BYTES
BYTES
114
0
1
2
3
4
5
6
7
8
9
14
127
13
14
0
Address map
Time, calendar, and alarm formats
Day of week (1 = Sun)
CLOCK AND CONTROL
Hours alarm, 12-hrs
Hours alarm, 24-hrs
STORAGE REGISTERS
STATUS REGISTERS
Seconds alarm
Minutes alarm
Hours, 12-hrs
Hours, 24-hrs
Day of month
RTC Bytes
Seconds
Minutes
Month
Year
00
0D
0E
7F
Decimal
0-59
0-59
0-59
0-59
1-12
0-23
1-12
0-23
1-31
1-12
0-99
1-7
10
11
12
13
0
1
2
3
4
5
6
7
8
9
01-0C AM
81-8C PM
01-0C AM
81-8C PM
Binary
Range
00-3B
00-3B
00-3B
00-3B
01-1F
01-0C
00-17
00-17
01-07
00-63
SECONDS ALARM
DATE OF MONTH
MINUTES ALARM
HOURS ALARM
DAY OF WEEK
REGISTER C
REGISTER D
REGISTER A
REGISTER B
SECONDS
MINUTES
HOURS
MONTH
YEAR
01-12 AM
81-92 PM
01-12 AM
81-92 PM
AI01650
00-59
00-59
00-59
00-59
00-23
00-23
01-07
01-31
01-12
00-99
BCD
BCD OR
BINARY
FORMAT
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